package org.bt.common.validator.notempty;

import org.bt.common.validator.aspect.NotEmpty;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * @author tongw
 */
public class NotEmptyValidatorForArraysOfByte implements ConstraintValidator<NotEmpty, byte[]> {

    /**
     * Checks the array is not {@code null} and not empty.
     *
     * @param array                      the array to validate
     * @param constraintValidatorContext context in which the constraint is evaluated
     * @return returns {@code true} if the array is not {@code null} and the array is not empty
     */
    @Override
    public boolean isValid(byte[] array, ConstraintValidatorContext constraintValidatorContext) {
        if (array == null) {
            return false;
        }
        return array.length > 0;
    }
}
